A 3mm x 12mm nylon screw, commonly referred to as an M3 x 12mm metric machine screw, features a 3mm thread diameter and a 12mm shaft length. Made of strong, lightweight thermoplastic, it is non-conductive, rust-proof, and widely used for electrical insulation and electronics assembly.

Thread Size: M3 (3mm diameter)
Thread Pitch: 0.5mm
Length: 12mm (under the head)
Material: Nylon 6.6 or similar durable plastic
Common Head Types: Pan head, cheese head, or countersunk, with Phillips or slotted drives.